.toast-container{position:fixed;top:72px;right:16px;z-index:10000;display:flex;flex-direction:column;gap:8px;max-width:360px;pointer-events:none}.toast{display:flex;align-items:flex-start;gap:10px;padding:11px 13px;background:var(--surface-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-strong);box-shadow:var(--shadow-md);font-size:.875rem;color:var(--text-primary);pointer-events:auto;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}.toast-icon{flex-shrink:0;margin-top:1px}.toast-success .toast-icon{color:var(--success)}.toast-error .toast-icon{color:var(--error)}.toast-info .toast-icon{color:var(--info)}.toast-success{border-left:2px solid var(--success)}.toast-error{border-left:2px solid var(--error)}.toast-info{border-left:2px solid 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1rem}}.nav-sidebar{width:var(--sidebar-width);height:100vh;position:fixed;left:0;top:0;bottom:0;background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;overflow:hidden}.nav-sidebar-logo{padding:1.25rem 1rem .75rem;flex-shrink:0}.nav-sidebar-logo-link{display:flex;align-items:center;gap:8px;text-decoration:none}.nav-sidebar-logo-dot{width:22px;height:22px;border-radius:6px;background:var(--accent);flex-shrink:0;box-shadow:var(--glow-accent)}.nav-sidebar-logo-name{font-size:.9rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em;white-space:nowrap}.nav-sidebar-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:.5rem;display:flex;flex-direction:column;gap:.25rem}.nav-sidebar-group{margin-bottom:.5rem}.nav-sidebar-group-label{display:block;font-size:.65rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:.5rem .625rem 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svg{width:16px;height:16px}.mobile-time{font-size:.65rem;min-width:50px}}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--background);width:100%}.main-content{flex:1;width:100%;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}.app-shell{display:flex;height:100vh;overflow:hidden;background:var(--background)}.app-shell-content{flex:1;display:flex;flex-direction:column;margin-left:var(--sidebar-width);min-width:0;height:100vh;overflow:hidden}.app-shell-main{flex:1;overflow-y:auto;overflow-x:hidden}.app-shell-main.player-active{padding-bottom:80px}.app-shell-main .spotify-dashboard{width:100%;max-width:100%}.app.player-active .main-content{padding-bottom:80px}@media (max-width: 768px){.app.player-active .main-content{padding-bottom:calc(68px + env(safe-area-inset-bottom,0px))}.app-shell-content{margin-left:0}.app-shell-main.player-active{padding-bottom:calc(68px + env(safe-area-inset-bottom,0px))}}.loading{display:flex;justify-content:center;align-items:center;min-height:50vh;font-size:1.5rem;color:var(--accent);font-weight:500}.error-message{background:#f871711a;color:var(--error);padding:1rem;border-radius:var(--radius-md);margin-bottom:1rem;border-left:3px solid var(--error);font-weight:500;font-size:.9rem}.success-message{background:#22c55e1a;color:var(--success);padding:1rem;border-radius:var(--radius-md);margin-bottom:1rem;border-left:3px solid var(--success);font-weight:500;font-size:.9rem}button{font-family:inherit}a{font-weight:500;color:var(--accent);text-decoration:inherit;transition:color .2s ease}a:hover{color:var(--accent-hover)}h1{font-size:2rem;line-height:1.15;letter-spacing:-.02em;color:var(--text-primary);user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.premium-gate-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:9000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.premium-gate-card{background:var(--surface-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-xl);padding:2rem;max-width:420px;width:90%;text-align:center;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.premium-gate-card h3{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem;letter-spacing:-.02em}.premium-gate-card 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.cta-buttons{flex-direction:column;gap:12px}.mobile-home .cta-btn{width:100%;padding:14px 24px}.mobile-home .tts-demo{margin:20px 0}.mobile-home .mobile-feature-grid{grid-template-columns:1fr;gap:15px}.mobile-home .feature-card{padding:20px}.mobile-home .feature-card h3{font-size:18px}.mobile-home .feature-card p{font-size:14px}.mobile-convert{padding:15px}.mobile-convert .tabs-header{gap:10px}.mobile-convert .tab-btn{flex:1;padding:12px 16px;font-size:14px}.mobile-convert .text-input{font-size:16px;min-height:150px}.mobile-convert .file-upload-area{padding:30px 20px}.mobile-convert .submit-btn{width:100%;padding:14px 24px;font-size:16px}.mobile-dashboard,.mobile-dashboard .mobile-track-list{padding:0}.mobile-dashboard .mobile-track-item{touch-action:manipulation}.mobile-auth .auth-card{padding:24px;margin:20px 15px;box-shadow:var(--shadow-md)}.mobile-auth .form-group{margin-bottom:16px}.mobile-auth .form-group label{font-size:14px;margin-bottom:6px}.mobile-auth .form-group input{padding:12px;font-size:16px!important}.mobile-auth .submit-btn{width:100%;padding:14px 24px;font-size:16px}.mobile-auth .google-btn,.mobile-auth .apple-btn{width:100%;padding:12px 24px;font-size:15px}.mobile-auth .auth-footer,.mobile-auth .auth-link{text-align:center;font-size:14px;margin-top:20px}.mobile-pricing{padding:20px 15px}.mobile-pricing h1{font-size:28px}.mobile-pricing .pricing-subtitle{font-size:16px}.mobile-pricing .pricing-cards-mobile{display:flex;flex-direction:column;gap:20px;margin-top:30px}.mobile-pricing .pricing-card{width:100%;padding:24px}.mobile-pricing .price{margin:15px 0}.mobile-pricing .features-list{font-size:14px;margin:20px 0}.mobile-pricing .features-list li{padding:10px 0}.mobile-pricing .subscribe-btn{width:100%;padding:14px 24px;font-size:16px}@media (max-width: 768px){input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],input[type=url],input[type=tel],textarea,select{font-size:16px!important}button,a.button,.btn{min-height:44px;min-width:44px}.container{padding-left:15px;padding-right:15px}body{overflow-x:hidden}.modal-content{width:95%;max-width:95%;margin:20px auto}}@media (min-width: 768px) and (max-width: 1024px){.mobile-home .mobile-feature-grid{grid-template-columns:repeat(2,1fr)}.mobile-pricing .pricing-cards-mobile{flex-direction:row}}@media screen and (orientation: landscape){html{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-weight:400;--background: #FFFFFF;--background-alt: #F8FAFC;--surface: #FFFFFF;--surface-elevated: #F1F5F9;--surface-hover: #E8EDF2;--border: #E2E8F0;--border-strong: #CBD5E1;--text-primary: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--accent: #2454D6;--accent-hover: #1B3FAD;--accent-subtle: rgba(36, 84, 214, .08);--accent-strong: rgba(36, 84, 214, .16);--primary-color: #2454D6;--primary-hover: #1B3FAD;--primary-light: rgba(36, 84, 214, .08);--premium-accent: #7C3AED;--premium-accent-hover: #6D28D9;--success: #16A34A;--error: #DC2626;--warning: #D97706;--info: #2563EB;--sidebar-width: 220px;--sidebar-bg: #F8FAFC;--topbar-height: 56px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 20px 40px rgba(0, 0, 0, .12);--glow-accent: 0 0 0 1px rgba(36, 84, 214, .16);color-scheme:light;color:var(--text-primary);background-color:var(--background);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh;max-height:100vh;overflow:hidden;background:var(--background)}#root{width:100%;height:100vh;overflow:hidden;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6,label,button,a,.nav-logo,.subtitle{user-select:none!important;-webkit-user-select:none!important;-moz-user-select:none!important;-ms-user-select:none!important}input,textarea{user-select:text!important;-webkit-user-select:text!important;-moz-user-select:text!important;-ms-user-select:text!important}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}